412 MINNESOTA BOTANICAL STUDIES. 



Aster paniculatus LAM. Encycl. i : 306. 1783. 



Coll.: Wheeler 540, Jefferson ; 623, Brownsville. Aug. 



Erigeron pulchellus MICHX. Fl. Bor. Am. 2: 124. 1803. 



Coll. : Lyon 28, Winnebago. June. 

 Erigeron animus (L.) PERS. Syn. 2 : 431. 1807. 



Coll.: Lyon 84, 420, 432, Winnebago; Wheeler 562, 



Jefferson. Aug. 

 Erigeron ramosus (WALT.) B.S.P. Prel. Cat. N. Y. 27. 1888. 



Coll. : Wheeler 530, 572, Jefferson. Aug. 

 Leptilon canadense (L.) BRITTON, in Brit. & Brown, 111. Fl. 3 : 



391. f.382 7 . 1898. 

 Coll. : Lyon 303, Jefferson. Aug. 

 Doellingeria umbellata pubens (A. GRAY) BRITTON, in Brit. & 



Brown, 111. Fl. 3: 392. 1898. 

 Coll.: Lyon 399, Jefferson; Wheeler 581, Crooked 



Creek. Aug. 

 Antennaria plantaginifolia (L.) RICHARDS. App. Frank. Journ. 



Ed. 2,' 30. 1823. 



Coll. : Lyon 23, Winnebago. June. 

 Gnaphalium obtusifolium L. Sp. PI. 851. 1753. 



Coll. : Lyon 338, 440, 465, Jefferson. Aug. 

 Polymnia canadensis L. Sp. PI. 926. 1753. 



Coll.: Wheeler 316, Mayville ; Lyon 344, Jefferson. 



July, Aug. 

 Silphium perfoliatum L. Sp. PL Ed. 2, 1301. 1763. 



Coll. : Lyon 215, 240, Crooked Creek. July. 

 Silphium laciniatum L. Sp. PI. 919. 1753. 



Coll. : Wheeler 297, Crooked Creek. July. 

 Heliopsis helianthoides (L.) B.S.P. Prel. Cat. N. Y. 28. 1888. 



Coll. : Wheeler 614, Brownsville. Aug. 

 Heliopsis scabra DUNAL, Mem. Mus. Paris, 5 : 56. pL 4. 1819. 



Coll. : Wheeler 330, Crooked Creek. July. 

 Rudbeckia triloba L. Sp. PI. 907. 1753. 



Coll.: Wheeler 502, Winnebago ; 535, Jefferson. Aug. 

 Not previously reported from Minnesota. Infrequent, edges 



of thickets. 

 Rudbeckia hirta L. Sp. PI. 907. 1753. 



Coll.: Wheeler 301, 329, Crooked Creek; 613, Browns- 

 ville. July, Aug. 



